Formby Bay Weather Forecast
- 8
- 17
Partly cloudy
- 7
- 17
Becoming cloudy
- 9
- 15
Cloudy
- 8
- 16
Mostly sunny
- 9
- 18
Sunny
- 10
- 20
Mostly sunny
- 13
- 21
Possible shower
Today 7 Sep Yorke Peninsula
Partly cloudy. Winds southeasterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures around 18.
Central Coastal Waters
- Wind
- Southeasterly 10 to 15 knots turning easterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- The tail end of a cold front will move across southern coasts early Monday then a high pressure system centred southwest of WA will extend a ridge across the south of SA. The main high centre will move to the east of SA late Thursday and Friday. A trough over the interior of WA will remain stationary for most of the week.
Formby Bay Temperature Statistics View More
September Temperature
Stenhouse Bay (24km)
Lowest 4 September, 2026
9.8 °CAverage September
14 °CHighest 4 September, 2026
20.2 °C
Climate (2021–2026)
Stenhouse Bay (24km)
Average Low 2021–2026
13.2 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C